<template>
    <div>
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
      </el-breadcrumb>
      <el-card class="box-card">
        <el-row :gutter="20">
          <el-col :span="8">
            <el-input
              placeholder="请输入内容"
              class="input-with-select"
              v-model="queryInfo.query"
              clearable
              @clear="getUserList"
            >
              <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
            </el-input>
          </el-col>
          <el-col :span="4">
            <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
          </el-col>
        </el-row>
        <el-table :data="userList" border stripe>
          <el-table-column label="#" type="index" width="50"></el-table-column>
          <el-table-column label="姓名" prop="username"></el-table-column>
          <el-table-column label="邮箱" prop="email"></el-table-column>
          <el-table-column label="电话" prop="mobile"></el-table-column>
          <el-table-column label="角色" prop="role_name"></el-table-column>
          <el-table-column label="状态" prop="mg_state">
            <template slot-scope="scope">
              <el-switch
                v-model="scope.row.mg_state"
                @change="userStateChange(scope.row)"
              >
              </el-switch>
            </template>
          </el-table-column>
          <el-table-column label="操作" width="185px">
            <template slot-scope="scope">
              <el-button type="primary" icon="el-icon-edit" size="mini" @click="editDialog(scope.row.id)"></el-button>
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteDialog(scope.row.id)"></el-button>
              <el-tooltip class="item" effect="dark" content="分配角色"  placement="top-start" :enterable="false">
                <el-button type="warning" icon="el-icon-setting" @click="setRole(scope.row)" size="mini"></el-button>
              </el-tooltip>
            </template>
          </el-table-column>
        </el-table>
        <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum"
          :page-sizes="[10, 15, 20, 25]"
          :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total">
        </el-pagination>
        <!--添加用户面板-->
        <el-dialog
          title="添加用户"
          :visible.sync="addDialogVisible"
          width="50%"
          @close="addDialogClose"
          >
          <span>
            <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" class="demo-ruleForm">
              <el-form-item label="用户名" prop="username">
                <el-input v-model="addForm.username"></el-input>
              </el-form-item>
              <el-form-item label="密码" prop="password">
                <el-input v-model="addForm.password"></el-input>
              </el-form-item>
              <el-form-item label="邮箱" prop="email">
                <el-input v-model="addForm.email"></el-input>
              </el-form-item>
              <el-form-item label="手机" prop="mobile">
                <el-input v-model="addForm.mobile"></el-input>
              </el-form-item>
            </el-form>
          </span>
          <span slot="footer" class="dialog-footer">
            <el-button @click="addDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="adduser">确 定</el-button>
          </span>
        </el-dialog>
        <!--编辑用户面板-->
        <el-dialog
          title="提示"
          :visible.sync="editDialogVisible"
          width="50%"
          @close="editDialogClose"
          >
          <span>
            <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" class="demo-ruleForm">
              <el-form-item label="用户名"  >
                <el-input v-model="editForm.username" disabled></el-input>
              </el-form-item>
              <el-form-item label="邮箱" prop="email">
                <el-input v-model="editForm.email"></el-input>
              </el-form-item>
               <el-form-item label="手机号" prop="mobile">
                <el-input v-model="editForm.mobile"></el-input>
              </el-form-item>
            </el-form>
          </span>
          <span slot="footer" class="dialog-footer">
            <el-button @click="editDialogVisible = false" >取 消</el-button>
            <el-button type="primary" @click="editUserInfo">确 定</el-button>
          </span>
        </el-dialog>
        <!--分配角色-->
        <el-dialog
          title="分配角色"
          :visible.sync="setDialogVisible"
          width="50%"
          @close="setRoleDialog"
          >
          <div>
            <p>当前用户：{{userInfo.username}}</p>
            <p>当前的角色：{{userInfo.role_name}}</p>
            <p>分配新角色：
              <el-select v-model="selectedRoleId" placeholder="请选择">
                <el-option
                  v-for="item in roleList"
                  :key="item.id"
                  :label="item.roleName"
                  :value="item.id">
                </el-option>
              </el-select>
            </p>
          </div>
          <span slot="footer" class="dialog-footer">
            <el-button @click="setDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
          </span>
        </el-dialog>
      </el-card>
    </div>
</template>

<script>
    export default {
        name: "User",
        data(){
            //邮箱验证规则
            let checkEmail=(rule,value,cb)=>{
                const regEmail=/^([a-zA-Z0-9])+@([a-zA-Z0-9])+(\.[a-zA-Z0-9])+/;
                if(regEmail.test(value)){
                    return cb();
                }
                cb(new Error('请输入合法的邮箱'));
            };
            //手机号验证规则
            let checkPhone=(rule,value,cb)=>{
                const regMobile=/^1[3|4|5|8][0-9]\d{4,8}$/;
                if(regMobile.test(value)){
                    return cb();
                }
                cb(new Error('请输入合法的手机号'));
            };
            return{
                total:0,
                userList:[],
                queryInfo:{
                    query:'',
                    pagenum:1,
                    pagesize:10
                },
                addDialogVisible:false,//控制添加面板显示与否
                editDialogVisible:false,//控制修改面板显示与否
                setDialogVisible:false,//控制设置权限面板显示与否
                userInfo:{},//需要被分配角色的用户信息
                roleList:[],//所有角色数据列表
                selectedRoleId:'',//已选中的角色id
                addForm:{
                    username:'',
                    password:'',
                    email:'',
                    mobile:''
                },
                addFormRules:{
                    username:[
                        { required: true, message: '请输入用户名', trigger: 'blur' },
                        { min: 3, max: 15, message: '用户名长度在 3 到 15 个字符', trigger: 'blur' }
                    ],
                    password:[
                        { required: true, message: '请输入密码', trigger: 'blur' },
                        { min: 6, max: 15, message: '用户名长度在 6 到 15 个字符', trigger: 'blur' }
                    ],
                    email:[
                        { required: true, message: '请输入邮箱', trigger: 'blur' },
                        {validator:checkEmail,trigger:'blur'}
                    ],
                    mobile:[
                        { required: true, message: '请输入手机号', trigger: 'blur' },
                        {validator:checkPhone,trigger:'blur'}
                    ]
                },
                editForm:{},
                editFormRules:{
                    email:[
                        { required: true, message: '请输入用户邮箱', trigger: 'blur' },
                        {validator:checkEmail,trigger:'blur'}
                    ],
                    mobile:[
                        { required: true, message: '请输入用户手机号', trigger: 'blur' },
                        {validator:checkPhone,trigger:'blur'}
                    ]
                }
            }
        },
        created() {
            this.getUserList();
        },
        methods:{
            //获取用户列表
            getUserList(){
                this.$http.get('users',{params:this.queryInfo}).then(res=>{
                    if(res.data.meta.status!=200){
                      this.$message.error("获取用户列表失败");
                    }
                    this.total=res.data.data.total;
                    this.userList=res.data.data.users;
                })
            },
            //监听size改变
            handleSizeChange(newSize){
                this.queryInfo.pagesize=newSize;
                this.getUserList();
            },
            //监听页码值改变
            handleCurrentChange(newPage){
                this.queryInfo.pagenum=newPage;
                this.getUserList();
            },
            //监听状态改变
            userStateChange(userInfo){
               this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`).then(res=>{
                   if(res.data.meta.status==200){
                       userInfo.mg_state=!userInfo.mg_state;
                       this.$message.success(res.data.meta.msg);
                   }else{
                       this.$message.error("更新状态失败");
                   }
               })
            },
            //添加用户弹框关闭事件
            addDialogClose(){
                this.$refs.addFormRef.resetFields();
            },
            //添加用户
            adduser(){
                this.$refs.addFormRef.validate((valid)=>{
                    if(valid){
                        //请求添加用户接口
                        this.$http.post('users',this.addForm).then(res=>{
                            if(res.data.meta.status==201){
                                this.$message.success("添加用户成功");
                                this.addDialogVisible=false;
                                this.getUserList();
                            }else{
                                this.$message.error("添加用户失败");
                            }
                        })
                    }
                })
            },
            //修改用户
            editDialog(id){
                this.editDialogVisible=true;
                //根据id获取用户信息
                this.$http.get('users/'+id).then(res=>{
                    console.log(res);
                    if(res.data.meta.status!=200){
                        this.$message.error("查询失败")
                    }else{
                        this.editForm=res.data.data;
                    }
                })
            },
            //关闭修改对话框
            editDialogClose(){
                this.$refs.editFormRef.resetFields();
            },
            //修改用户
            editUserInfo(){
                //用户预处理
                this.$refs.editFormRef.validate(valid=>{
                    if(valid){
                        //发送修改请求
                        this.$http.put('users/'+this.editForm.id,{email:this.editForm.email,mobile:this.editForm.mobile}).then(res=>{
                            if(res.data.meta.status==200){
                                this.$message.success("用户信息更新成功");
                                this.editDialogVisible=false;
                                this.getUserList();
                            }else {
                              this.$message.error("用户信息更新失败");
                            }
                        })
                    }
                })
            },
            //删除用户
            deleteDialog(id){
                this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).then(() => {
                    //请求删除接口
                    this.$http.delete('users/'+id).then(res=>{
                        if(res.data.meta.status==200){
                            this.$message({
                                type: 'success',
                                message: '删除用户成功!'
                            });
                            this.getUserList();
                        }else{
                            this.$message({
                                type: 'error',
                                message: '删除用户失败!'
                            });
                        }
                    });
                }).catch(() => {
                    this.$message({
                    type: 'info',
                    message: '取消删除'
                    });
                });
            },
            //展示分配角色的对话框
            setRole(userInfo){
              this.userInfo=userInfo;
              //获取角色的列表
              this.$http.get(`roles`).then(res=>{
                  if(res.data.meta.status!=200){
                      this.$message.error("获取角色列表失败");
                  }else{
                      this.roleList=res.data.data;
                  }
              })
               //展开对话框
               this.setDialogVisible=true;
            },
            //点击确定按钮，分配角色
            saveRoleInfo(){
                if(!this.selectedRoleId){
                    this.$message.error("请选择要分配的角色");
                }else{
                    this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectedRoleId}).then(res=>{
                        if(res.data.meta.status!=200){
                            this.$message.error("分配角色失败");
                        }else{
                            this.$message.success("分配角色成功");
                            this.getUserList();
                            this.setDialogVisible = false;
                        }
                    })
                }
            },
            //关闭对话框后清空默认选择项
            setRoleDialog(){
                this.selectedRoleId="";
                this.userInfo={};
            }
        }
    }
</script>

<style lang="less" scoped>
</style>
